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When DTH drilling in high confining pressure, its border condition has changed. 摘要潜孔锤在高围压工况下钻进，边界条件发生了变化，需要重新进行研究。
Confining pressure increase rock strength, decrease damages rate of rock creep. 在热力学框架内推导了岩石材料的蠕变损伤本构关系。
Confining pressure applied by the reinforcement is a function of the lateral strain of concrete. 钢筋施加的侧向压力是混凝土的侧向应变的函数。
The number on the curves are the values of the confining pressure in atmosphere. 曲线上的数字表示围压的大气压值。
THE CHANGE OF HYDROXYL IN HORNBLENDE AT CONFINING PRESSURE 3Kb AND TEMPERATURE 700? 围压3千巴、温度700℃时角闪石羟基的变化
The results show that peak stress of rock specimens increases with confining pressure. 研究结果表明,岩样的峰值应力都随着围压的增大而增大。
The influence of confining pressure change and coal cleat on gas permeability is studied by experiments. 本文介绍了钏路煤层及相关割理系统的特性,通过试验研究了围压变化和煤层割理对气体渗透性的影响。
Under higher confining pressure, shear failure occurs and under lower confining pressure creep failure occurs. 土体在达到峰值前经历了很长的塑性变形阶段。
The influence of confining pressure on triaxial strength was obtained, which can be used to study the yield and ... 通过理想强度与实际强度的差异，讨论了岩石材料的缺陷程度，并给出了强度准则。
In the meantime, the pore pressure also increased with the increase of confining pressure. 同时，孔隙水压力值也随着周围压力的增大而明显增大。
The fractal dimension of sandstone fragment distribution increases with the increasing of confining pressure. 随着围压（有效压应力）的增加，砂岩破碎碎屑的分维增大。
Unloading confining pressure tests could be controlled by stress and deformation. 卸荷试验包括应力控制和变形控制两种方法。
When DTH drilling in high confining pressure, its border condition has changed.So new software need to be developed. 潜孔锤在高围压条件下钻进,边界条件发生了变化,需要开发新的软件。
The confining pressure test is an important and essential test to geostress measurement with hollow inclusion triaxial strain gauge. 围压加载试验是空心包体式钻孔三向应变计地应力测量中配套进行的一种重要试验。
Experiment study on shallow gassy unsaturated sand under different confining pressure with GDS triaxial system's 4D stress path module is carried ont. 利用GDS三轴系统4D应力路径模块进行了不同围压下含浅层生物气非饱和砂土的持水特征试验。
The influences of confining pressure, end constraint, height of specimen and interface on networks of shear bands are investigated numerically. 研究了围压、端面约束、试件高度及界面特性对剪切带网络形成的影响。
Based on the complete procedure of unloading confining pressure,the failure features and strength of specimens are analyzed. 对岩样进行了常规三轴加载后保持轴向变形不变的卸围压试验,得到了峰前、峰后卸围压全过程曲线。
The influences of rock plasticity and confining pressure on rock dilatancy were discussed by using the definition of dilatancy angle. 采用扩容角定义,讨论了岩石可塑性和围压对岩石扩容的影响。
In the middle stage of coal metamorphism increase of the confining pressure will increase to a certain extent the strength of coal. 在中煤级阶段，虽然围压的增大可在一定程度上提高煤的强度，但温度的影响更为重要。